Yokoyama, Sadahiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yokoyama, Sadahiko.The latest application filed is for "display on which a measurement result can be known only by viewing a measurement piece, and an apparatus for identifying a plastic material by using the display, and to accordingly make a selection simpler, cheaper and surer".
- Yokoyama, Sadahiko - Tokyo JP
| Patent | Date |
|---|---|
| Display on which a measurement result can be known only by viewing a measurement piece, and an apparatus for identifying a plastic material by using the display, and to accordingly make a selection simpler, cheaper and surer App 20020027943 - Yokoyama, Sadahiko ; et al. | 2002-03-07 |
| Method and apparatus for identifying plastics App 20010054900 - Yokoyama, Sadahiko ; et al. | 2001-12-27 |
| Joining member and method for disintegrating joined structure Grant 5,780,536 - Yokoyama , et al. July 14, 1 | 1998-07-14 |
| Method of recovering valuables from printed wiring board having electronic components mounted thereon Grant 5,743,936 - Yokoyama , et al. April 28, 1 | 1998-04-28 |
| Parts disassembling apparatus Grant 5,715,592 - Mori , et al. February 10, 1 | 1998-02-10 |
| Method of recovering valuable substances from printed circuit board Grant 5,676,318 - Yokoyama , et al. October 14, 1 | 1997-10-14 |
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